Medium · CVSS 6.5CVE-2026-107427

WordPress Event post plugin <= 6.1.1 - Insecure Direct Object References (IDOR) vulnerabilityCVE-2026-107427

Answer in brief

CVE-2026-107427 records a Medium severity (CVSS 6.5) vulnerability in WordPress Event post plugin <= 6.1.1 - Insecure Direct Object References (IDOR) vulnerability. The current sources do not mark it as known exploited. The current feed maps NOUS Ouvert Utile et Simple/event-post (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 12, 2026Updated Oct 12, 2026Source checked Oct 12, 2026First seen by HOL Oct 12, 2026Material review Oct 12, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.5
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 6.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps NOUS Ouvert Utile et Simple/event-post (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
NOUS Ouvert Utile et Simple/event-postgeneric	>=0 <=6.1.1	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for NOUS Ouvert Utile et Simple/event-post.
Review the reported fix. Source-reported solution: Update the WordPress Event post plugin to the latest available version (at least 6.1.2).

Evidence timeline and material changes

Published upstream
Oct 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Oct 12, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Oct 12, 2026

Sources and claim methodology

Source referencepatchstack.com

Upstream source description

Authorization Bypass Through User-Controlled Key vulnerability in NOUS Ouvert Utile et Simple Event post event-post allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Event post: from n/a through 6.1.1.

Quoted source text, attributed separately from HOL analysis.